/*新增课程*/
.step-box{
    width: 620px;
    margin:0 auto;
}
.step{
    color: #666;
    position: relative;
    display: inline-block;

}
.step p{
    width: 100px;
    text-align: center;
    line-height: 30px;
}
.step-box .line{
    background: url("../images/line-bg.png")no-repeat center;
    width: 120px;
    height: 30px;
    margin-right: 10px;
}
.step:after{
    color: red;
    position: absolute;
    right: 0;
    top: 50%;
}
.step .number{
    margin-right: 10px;
    background: #e1dede;
    height: 30px;
    line-height: 30px;
    border-radius: 20px;
}
.step .active{
    background: url("../images/btn_bg.png");
    background-size: 100% 100%;
    color: #fff;
}
.add-course{
    margin:30px 20px;
}
.add-course .cover{
    width: 285px;
    height: 180px;
    background: url("../images/course-cover.png");
}
.file-item{
    position: relative;
}
.file-item .upload-file{
    position:absolute;
    left:108px;
    font-size: 100px;
    z-index: 100;
    height:180px;
    opacity:0;
    filter: alpha(opacity=0);  
}
.add-course .iconfont{
    font-size: 20px;
    color: #333;
    cursor: pointer;
}
.add-course .tip{
    margin-left: 110px;
}
.add-course .change-item select,.add-course .change-item input{
    width: 295px;
    color: #666;
}
.add-course .type span{
    display: inline-block;
    width: 73px;
    text-align: center;
    height: 30px;
    line-height: 30px;
    border-radius: 10px;
    background: #e0dfdd;
    cursor: pointer;
    margin-right: 10px;
}
.add-course .type .active{
    background: url("../images/btn_bg.png") no-repeat;
    background-size:100% 100%;
    color: #fff;
}